<?php

/***

LZRoster: A roster for World of Warcraft.
Copyright (C) 2007  Emmanuel Cron

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

***/

define ("CLIENT_BROWSER_MSIE", 1);
define ("CLIENT_BROWSER_OTHER", 2);

class Client
{
	static private $instance;
	
	private $ip;
	private $forwarded_ip;
	private $browser;
	private $current_page;

	private function __construct()
	{
		$this->ip = $_SERVER['REMOTE_ADDR'];
		$this->forwarded_ip = isset($_SERVER['HTTP_X_FORWARDED_FOR']) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : null;
		$this->browser = strstr($_SERVER['HTTP_USER_AGENT'], "MSIE") ? CLIENT_BROWSER_MSIE : CLIENT_BROWSER_OTHER;
		$this->current_page = basename($_SERVER['PHP_SELF']);
	}
	
	static function GetInstance()
	{
		if (empty(self::$instance))
		{
			self::$instance = new Client();
		}
		
		return self::$instance;
	}
	
	function GetIp()
	{
		return $this->ip;
	}
	
	function GetForwardedIp()
	{
		return $this->forwarded_ip;
	}
	
	function GetBrowser()
	{
		return $this->browser;
	}
	
	function GetCurrentPage()
	{
		return $this->current_page;
	}
}

?>